Statistical precursors of the 6.4 magnitude earthquake on December 29, 2020, near Petrinja town, Croatia

In this work, it is shown that early warning signals were recorded prior to a 6.4 magnitude earthquake that took place on December 29, 2020, near the Croatian city of Petrinja. The study relied on analyzing property changes in small-scale probability density fluctuations in three parameters of the E...

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Bibliographic Details
Published in:Journal of Earth System Science 2024-04, Vol.133 (2), p.64, Article 64
Main Authors: Volvach, A E, Kogan, L P, Volvach, L N, Kanonidi, K H, Bubukin, I T, Shtenberg, V B, Aronov, A G, Aronov, G A, Pustoshilo, L L
Format: Article
Language:English
Subjects:
Blackouts
Earth and Environmental Science
Earth Sciences
Earthquake prediction
Earthquakes
Fourier transforms
Magnetic field
Magnetic fields
Magnetic variations
Precursors
Probability theory
Random variables
Seismic activity
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Statistical analysis
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Summary:In this work, it is shown that early warning signals were recorded prior to a 6.4 magnitude earthquake that took place on December 29, 2020, near the Croatian city of Petrinja. The study relied on analyzing property changes in small-scale probability density fluctuations in three parameters of the Earth’s magnetic field: X, Y and Z. The applied technique made it possible to identify a set of these precursors in intervals ranging from two and a half days to one day to less than one hour before this event. It has been observed that the three magnetic variation stations located at distances of approximately 300, 1000, and 1500 km from the epicenter exhibit significant differences in the occurrence of early warning signs and critical phenomena during an impending earthquake. These differences are related to the intensity and frequency of the effects observed at each station.
ISSN:0973-774X
0253-4126
0973-774X
DOI:10.1007/s12040-024-02273-8